Reseting USB HCD

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From: Felipe Balbi
Date: Tuesday, August 7, 2007 - 9:27 am

Hello all,

Is there a way of reseting USB HCD from userspace without removing the
kernel module?

I can see there's a method for reseting the controller (ehci_reset in
my case) but it's called only when the device is first probed or as an
error recovery method, am I right?

David, I saw you're the one who implemented ehci controller support on
linux, so do you remember coding such support? A way to reset the
controller from userspace? Some ioctl? some sysfs interface? Is there
any plans for that?


thanks in advance

-- 
Best Regards,

Felipe Balbi
felipebalbi@users.sourceforge.net

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Messages in current thread:
Reseting USB HCD, Felipe Balbi, (Tue Aug 7, 9:27 am)
Re: Reseting USB HCD, Alan Stern, (Tue Aug 7, 9:41 am)
Re: Reseting USB HCD, David Brownell, (Tue Aug 7, 9:46 am)
Re: Reseting USB HCD, Felipe Balbi, (Tue Aug 7, 10:18 am)